Sleeping bag



FIG. 1 is a front elevational view of a sleeping bag showing my new design.

FIG. 2 is a back elevational view of the sleeping bag.

FIG. 3 is a right side elevational view of the sleeping bag.

FIG. 4 is a left side elevational view of the sleeping bag.

FIG. 5 is a top plan view of the sleeping bag; and,

FIG. 6 is a bottom plan view of the sleeping bag. 

The ornamental design for a sleeping bag, as shown and described. 